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Table 1 Associations of SUVmax and ADC with clinicopathologic prognostic factors in invasive ductal carcinoma

From: Diffusion-weighted imaging and FDG PET/CT: predicting the prognoses with apparent diffusion coefficient values and maximum standardized uptake values in patients with invasive ductal carcinoma

Factor Number of cases (n = 118) ADC mean (X 10–6 mm2/s) P value SUVmax P value
Tumor size (mm)      
<20 49(41.88) 942.3(412.3-1793.7) 0.185 1.9(0–8.9) <0001
20-50 57(48.72) 969.3(599.8-1555.5)   4.7(0–20.5)  
>50 11(9.40) 1061.2(661.4-1402.9)   5.1(1.2-15.2)  
LN metastasis      
negative 76(65.0) 970.2(412.3-1793.7) 0.655 2.5(0–18.7) 0.003
positive 41(35.0) 962.1(599.8-1555.5)   4.8(1.2-20.5)  
Histologic grade      
1 39(33.3) 962.9(412.3-1793.7) 0.832 2.1(0–10.5) <0001
2 58(49.57) 966.7(565.2-1555.5)   2.9(0–18.7)  
3 20(17.1) 955.3(666.5-1402.9)   7.1(2.6-20.5)  
ER      
negative 28(23.9) 1043.6(764.1-1402.9) 0.009 5.3(0–18.7) 0.003
positive 89(76.1) 946.5(412.3-1793.7)   2.8(0–20.5)  
PR      
negative 43(36.8) 1012.99(753.5-1405.5) 0.055 4.6(0–20.5) 0.035
positive 74(63.3) 947.6(412.3-1793.7)   2.8(0–14.1)  
HER 2      
negative 67(57.26) 922.3(412.3-1793.7) 0.016 2.9(0–16.1) 0.529
positive 50(42.74) 1019.8(599.8-1555.5)   3.7(0–20.5)  
EGFR      
negative 92(80.0) 962.3(412.3-1793.7) 0.321 2.7(0–20.5) 0.001
positive 23(20.0) 1041.0(666.5-1402.9)   5.3(1.3-18.7)  
Ki-67      
<15 50(42.7) 962.7(412.3-1793.7) 0.998 2.3(0–8.6) 0.001
≥15 67(57.3) 969.3(568.4-1402.9)   4.8(0–20.5)  
Age      
<50 59(50.4) 971.1(412.3-1555.5) 0.577 3.2(0–16.1) 0.301
≥50 58(49.6) 959.6(565.2-1793.7)   3.0(0–20.5)  
  1. * ADC, apparent diffusion coefficient; EGFR, epidermal growth factor receptor; ER, estrogen receptor: HER2, human epidermal growth factor receptor 2; LN, lymph node; PR, progesterone receptor; SUVmax, maximum standardized uptake value.